Fiber aligner FA1000S_θ
First Mechanical Design Co., Ltd.

About This Product

■Optical fiber coupling efficiency of 98% achievedAkira Furusawa Laboratory Collaboration Model, University of Tokyo

■SummaryFA1000S_θ is a device that couples a free-space propagating laser beam to an optical fiber after passing through an aspherical lens, and was developed with the full cooperation of Akira Furusawa Laboratory at the University of Tokyo. This device has a 2-axis θ adjustment mechanism, making it possible to independently adjust the rotation axes in two orthogonal directions without moving the optical fiber input point from the center of the sphere, which was previously extremely difficult. It is now easier to perform alignment, and it is now possible to maintain long-term stability.

The structure uses special processing technology to align the input point of the optical fiber with the center of the spherical rotating element, so even if the angle is adjusted, the input point will not shift at all. . This unique mechanism is called the "spherical gimbal mechanism" and has been patented jointly with the University of Tokyo (Patent No. 5888775).

The adjustment screw uses a fine pitch screw with extremely low backlash, which we developed with the ultra-high stability mirror mount MM1000S, and by adopting our unique soft lock mechanism (patent application 2005-352867) that provides high holding power after adjustment. , achieving high operability and long-term stability.

The Akira Furusawa Laboratory at the University of Tokyo aligned the FA1000S_θ under the conditions shown in the evaluation setup outline diagram below, and as a result succeeded in increasing the coupling efficiency to 98% (as of January 2013).

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There is 1 model available for this product.

Product
Fiber aligner FA1000S_θ

Handling Company
First Mechanical Design Co., Ltd.

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1 Models of Fiber aligner FA1000S_θ

Image	Part Number	Price (excluding tax)
	FA1000S_θ	Available upon quote